FRITZ!Box 7360 Service - Knowledge Base
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FRITZ!Box damaged by power surge
Since the manufacturer's warranty does not cover damage caused by power surges (caused by lightning, for example), AVM cannot exchange the device. It is also not possible to repair devices damaged by power surges as the microelectronic components that were destroyed cannot be replaced.
However, many household insurance policies contain clauses covering the reimbursement of costs for new electronic devices to replace those damaged by power surges. Insurance companies can often refer you to an appraiser who can examine your device and issue a corresponding certificate of damage. AVM does not issue such insurance certificates.
Note:If you have household insurance, your insurance company can provide you with further information.
The German Federal Office for Information Security's homepage advises that not only your your electrical wiring can be a source of damage caused by power surges. Your connection to the telephone network and Internet (for example over the DSL connection) can also be a source of damage to connected devices. You can avoid damage if you always disconnect your devices from your DSL line, the telephone network and the power supply whenever there is a thunderstorm. Do not reconnect them until the thunderstorm is over.
Apart from that, only a multi-level protection system according to the corresponding standard on lightning protection can offer reliable protection. Since these measures have to be adapted to the actual conditions at your location (energy coordination concept), we cannot give you any specific recommendations on implementing them. You can find detailed information on this topic if you search for "surge protection" on the Internet, for example on Wikipedia.